399592480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:747

約数の個数: 192

約数和(自身を含む): 1180956672

約数和(自身を除く): 781364192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 68, 70, 80, 85, 112, 119, 124, 136, 140, 155, 160, 170, 217, 224, 238, 248, 272, 280, 310, 340, 434, 476, 496, 527, 544, 560, 595, 620, 677, 680, 868, 952, 992, 1054, 1085, 1120, 1190, 1240, 1354, 1360, 1736, 1904, 2108, 2170, 2380, 2480, 2635, 2708, 2720, 3385, 3472, 3689, 3808, 4216, 4340, 4739, 4760, 4960, 5270, 5416, 6770, 6944, 7378, 8432, 8680, 9478, 9520, 10540, 10832, 11509, 13540, 14756, 16864, 17360, 18445, 18956, 19040, 20987, 21080, 21664, 23018, 23695, 27080, 29512, 34720, 36890, 37912, 41974, 42160, 46036, 47390, 54160, 57545, 59024, 73780, 75824, 80563, 83948, 84320, 92072, 94780, 104935, 108320, 115090, 118048, 146909, 147560, 151648, 161126, 167896, 184144, 189560, 209870, 230180, 293818, 295120, 322252, 335792, 356779, 368288, 379120, 402815, 419740, 460360, 587636, 590240, 644504, 671584, 713558, 734545, 758240, 805630, 839480, 920720, 1175272, 1289008, 1427116, 1469090, 1611260, 1678960, 1783895, 1841440, 2350544, 2497453, 2578016, 2854232, 2938180, 3222520, 3357920, 3567790, 4701088, 4994906, 5708464, 5876360, 6445040, 7135580, 9989812, 11416928, 11752720, 12487265, 12890080, 14271160, 19979624, 23505440, 24974530, 28542320, 39959248, 49949060, 57084640, 79918496, 99898120, 199796240, 399592480]

約数ペア:

[(1, 399592480), (2, 199796240), (4, 99898120), (5, 79918496), (7, 57084640), (8, 49949060), (10, 39959248), (14, 28542320), (16, 24974530), (17, 23505440), (20, 19979624), (28, 14271160), (31, 12890080), (32, 12487265), (34, 11752720), (35, 11416928), (40, 9989812), (56, 7135580), (62, 6445040), (68, 5876360), (70, 5708464), (80, 4994906), (85, 4701088), (112, 3567790), (119, 3357920), (124, 3222520), (136, 2938180), (140, 2854232), (155, 2578016), (160, 2497453), (170, 2350544), (217, 1841440), (224, 1783895), (238, 1678960), (248, 1611260), (272, 1469090), (280, 1427116), (310, 1289008), (340, 1175272), (434, 920720), (476, 839480), (496, 805630), (527, 758240), (544, 734545), (560, 713558), (595, 671584), (620, 644504), (677, 590240), (680, 587636), (868, 460360), (952, 419740), (992, 402815), (1054, 379120), (1085, 368288), (1120, 356779), (1190, 335792), (1240, 322252), (1354, 295120), (1360, 293818), (1736, 230180), (1904, 209870), (2108, 189560), (2170, 184144), (2380, 167896), (2480, 161126), (2635, 151648), (2708, 147560), (2720, 146909), (3385, 118048), (3472, 115090), (3689, 108320), (3808, 104935), (4216, 94780), (4340, 92072), (4739, 84320), (4760, 83948), (4960, 80563), (5270, 75824), (5416, 73780), (6770, 59024), (6944, 57545), (7378, 54160), (8432, 47390), (8680, 46036), (9478, 42160), (9520, 41974), (10540, 37912), (10832, 36890), (11509, 34720), (13540, 29512), (14756, 27080), (16864, 23695), (17360, 23018), (18445, 21664), (18956, 21080), (19040, 20987)]